Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657734 | Setting out device | Ludwin Monz, Bernd Donath, Wieland Feist, Christian Graesser | 2003-12-02 |
| 6643940 | Device for horizontal and vertical adjustment in geodetic devices | Bernd Donath, Wieland Feist, Wolfgang Hahn, Werner Marx | 2003-11-11 |